Specifications

RADring
Installation & Operation Manual Token Ring Desing Considerations
3/11/98 12:26 Token Ring Physical Design 6-7
Table 6-3 Lobe Distances and Station Count
Lobe
Media
Product Media Type Lobe Distances TJA module or
repeater with
jitter attenuation
should be used:
16 Mbps 4 Mbps
STP TLS-4/S(D) Type 1 200m 400m Not required
TLS-4/AS Type 1 350m 700m Every 40 active
stations
UTP TL-4/U Type 3
Level IV and V
70m
100m
100m
180m
If 72 stations
exceeded
TL-4/AU Level IV and V 180m 350m Every 30 stations
Screened
UTP
TL-4/SU Type 1 100m 180m If 72 stations
exceeded
TL-4/ASU Type 1 180m 350m Every 30 stations
Coax TL-4/CX RG-62 100m 300m Every 30 stations
Fiber Optic TL-2/F Multimode 50, 62.5, 100m) 14 dB 14 dB Every 30 stations
Note
TL-4/A lobe distances art guaranteed distances. TL-4/ lobe distances are
maximum distances.
Passive Lobe
TX RX TX RX
Active Lobe
distance x
Hub Hub
regeneration
WORKSTATION WORKSTATION
distance x
Figure 6-1 Lobe Media Test